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2022-02-09_PERMIT FILE - M2021046 (4)
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2022-02-09_PERMIT FILE - M2021046 (4)
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Last modified
2/9/2022 4:05:07 PM
Creation date
2/9/2022 2:57:49 PM
Metadata
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Template:
DRMS Permit Index
Permit No
M2021046
IBM Index Class Name
Permit File
Doc Date
2/9/2022
Doc Name Note
Appendix E AMEC 2016 Sub App F CQA
Doc Name
Adequacy Review Response
From
Zephyr Gold USA Ltd
To
DRMS
Email Name
TC1
MAC
Media Type
D
Archive
No
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amec <br /> foster <br /> wheeler <br /> Zephyr Gold USA Ltd. PAGE 7 OF 13 <br /> Dawson Gold Project <br /> Dawson Filtered Tailings Storage Facility SPECIFICATION SEC. NO.: <br /> 01400.2 <br /> Pre-feasibility Study TECHNICAL SPECIFICATIONS FOR DATE: (ORIGINAL) <br /> Fremont County, Colorado GEOSYNTHETICS CONSTRUCTION QUALITY 20-October-16 <br /> PROJECT NO.: 74201633 ASSURANCE(CQA) PLAN REVISION: A <br /> DATE: 20-Oct-16 <br /> 5.0 REVIEW QUALITY CONTROL SUBMITTALS <br /> Prior to geosynthetic installation, the CQA MONITOR shall review the MANUFACTURER'S and <br /> INSTALLER'S Quality Control submittals to evaluate or confirm that these materials meet project <br /> requirements. <br /> 6.0 GEOMEMBRANE CONFORMANCE TESTING <br /> Prior to geosynthetic installation, the CQA MONITOR(S) shall obtain samples of the geomembrane for <br /> conformance testing to confirm that these materials meet project requirements. The conformance testing <br /> frequency shall be at a rate of one (1) test per 150,000 square feet. Samples shall be taken across the <br /> entire width of the roll and shall not include the first three (3) feet. The samples shall be 3 feet wide by the <br /> roll width. The CQA MONITOR(S) shall mark the machine direction and roll number on the sample, date <br /> when the sample was obtained, and forward the sample to a third party geosynthetic testing laboratory. As <br /> a minimum, the following conformance tests shall be conducted, with project requirements outlined in <br /> Section 02776.0. <br /> • Formulated Density(ASTM D1505) <br /> • Carbon Black Content (ASTM D4218) <br /> • Thickness (ASTM D5199/D5994) <br /> • Tensile Strength (ASTM D6693) <br /> All conformance tests shall be performed in compliance with the project SPECIFICATIONS. The CQA <br /> MONITOR(S) shall review the test results and shall report any nonconformance to ENGINEER, <br /> MANAGER, and the Geosynthetics INSTALLER. <br /> 7.0 CONSTRUCTION MONITORING AND TESTING <br /> The CQA MONITOR(S)shall monitor and test all geosynthetic components of the construction to verify that <br /> the construction is in compliance with the project SPECIFICATIONS. The CQA MONITOR(S)shall identify <br /> inadequate construction methodologies or materials, which may adversely impact the performance of the <br /> facility being constructed and existing structures. Visual observations throughout the construction process <br /> shall be made to ensure that the materials are placed to the lines and grades as shown on the DRAWINGS. <br /> The CQA MONITOR(S)shall review the following submittals by the INSTALLER during the project: <br /> • Verification that a qualified land surveyor has verified all lines and grades; and <br /> S:\ZEPHYR MINERALS\DRMS MINE APPLICATION\01400.2-GEOSYNTHETICS CQA.DOCX <br />
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